Re: SGI O2 - Oops

[Thiemo Seufer <ths@networkno.de>]

Michael Dosser wrote:
> Hi,
> 
> I have a SGI O2 running Debian Etch and recently I got an Oops message.
> Does anybody know what it means? Is this a kernel error or a hardware
> problem?
[snip]
> CPU 0 Unable to handle kernel paging request at virtual address 000000002abd8498, epc == ffffffff8006fb78, ra == ffffffff8006fb3c
> Oops[#1]:
> Cpu 0
> $ 0   : 0000000000000000 ffffffff9001fce0 0000000027bd0059 9800000065fbd5a0
> $ 4   : ffffffff9001fce0 000000002abd8490 000000002abd8490 0000000000000000
> $ 8   : 980000007885fbe0 0000000000000001 0000000000001000 980000007885c000
> $12   : 0000000000000000 ffffffff80000010 ffffffff8009e0d8 0000000000000000
> $16   : ffffffffffffffff 0000000000000001 9800000065fbd590 0000000000000000
> $20   : 980000007f3eddc0 0000000000000000 00000000000007a0 0000000000000000
> $24   : 0000000000000000 000000002abcc510                                  
> $28   : 980000007885c000 980000007885fbd0 000000000000079f ffffffff8006fb3c
> Hi    : 0000000000000000
> Lo    : 0000000000000001
> epc   : ffffffff8006fb78 find_get_page+0x68/0xb8     Not tainted
> ra    : ffffffff8006fb3c find_get_page+0x2c/0xb8
> Status: 9001fce2    KX SX UX KERNEL EXL 
> Cause : 00000004
> BadVA : 000000002abd8498
> PrId  : 00002321

A function at 0xffffffff8006fb3c in the kernel passed a bad pointer
(0x000000002abd8498) in the call to find_get_page. This looks like it is
a kernel bug. Your System.map file can tell you what function that was,
this helps probably a bit further.


Thiemo